Marc Andreessen
Sign in to saveAlso known as Marc L. Andreessen, Marc Lowell Andreessen
American entrepreneur, investor, and software engineer
Key facts
- Born
- Marc Lowell Andreessen , ( 1971-07-09 ) July 9, 1971 (age 54) , Cedar Falls, Iowa , U.S.
- Education
- University of Illinois Urbana-Champaign ( BS )
- Occupations
- Investor entrepreneur software engineer
- Known for
- Mosaic Netscape Opsware Andreessen Horowitz
- Spouse
- Laura Arrillaga ( married</span>"}]]}'>m. 2006 )
- Children
- John
- Relatives
- John Arrillaga (father-in-law)
- Website
- a16z .com /author /marc-andreessen
via Wikipedia infobox
Wikidata facts
- Instance of
- human
- Given name
- Marc
- Gender
- male
- Citizenship
- United States
- Place of birth
- Cedar Falls
- Occupation
- engineer
- Employer
- Netscape
- Political party
- Democratic Party (United States)
- Languages spoken
- English language
- Image
- Marc Andreessen-9 (cropped).jpg
- Residence
- Atherton
Show 7 more facts
- official blog URL
- blog.pmarca.com
- Commons category
- Marc Andreessen
- date of birth
- 1971-09-09
- name in native language
- Marc Andreessen
- owner of
- Ning
- social media followers
- 1194558
- website account on
- Clubhouse
Sources (11)
via Wikidata · CC0
~28 min read
Encyclopedic overview
Marc Lowell Andreessen (/ænˈdriːsən/ an-DREE-sən; born July 9, 1971) is an American businessman, venture capitalist, and former software engineer. He is the co-author of Mosaic, the first web browser to display inline images; co-founder of Netscape; and co-founder and general partner of Silicon Valley venture capital firm Andreessen Horowitz. He co-founded and later sold the software company Opsware to Hewlett-Packard; he also co-founded Ning, a company that provides a platform for social networking websites. In 2024 he became an advisor to Donald Trump. Andreessen's net worth is estimated at $1.9 billion as of January 2025.
Early life and education
Excerpted from Wikipedia’s “Marc Andreessen” article, available under the CC BY-SA 4.0 licence.